United States Antimony Corporation (“USAC”, NYSE MKT “UAMY”) announced
mill assays on another 880 metric tons from the Minas Grande open pit at
the Los Juarez silver-antimony-gold property averaged 1.

United States Antimony Corporation (“USAC”, NYSE MKT “UAMY”) announced mill assays on another 880 metric tons from the Minas Grande open pit at the Los Juarez silver-antimony-gold property averaged 1.13% antimony, 7.32 ounces of silver (227 grams) per metric ton, and 0.09 ounces of gold (2.8 grams) per metric ton. The average mill recovery of these metals was 78% of the antimony, 80.5% of the silver, and 86% of the gold. Other zones besides Minas Grande are now being milled along the 3.5 kilometer (2.18 mile) strike and those results will be forthcoming. There is no assurance that these values will continue in other areas of the property.

Interested parties are invited to an open house to visit the Los Juarez property on April 21 and the Puerto Blanco mill on April 22, 2013. For instructions call 406-827-3523.

USAC is a diversified producer of antimony, precious metals, and zeolite with operations in the Unites States and Mexico.

Forward Looking Statements:

This Press Release contains forward-looking statements within the meaning of Section 27A of the Securities Act of 1933 and Section 21E of the Securities Exchange Act of 1934 that are based upon current expectations or beliefs, as well as a number of assumptions about future events, including matters related to the Company's operations, pending contracts and future revenues, ability to execute on its increased production and installation schedules for planned capital expenditures and the size of forecasted deposits. Although the Company believes that the expectations reflected in the forward-looking statements and the assumptions upon which they are based are reasonable, it can give no assurance that such expectations and assumptions will prove to have been correct. The reader is cautioned not to put undue reliance on these forward-looking statements, as these statements are subject to numerous factors and uncertainties. In addition, other factors that could cause actual results to differ materially are discussed in the Company's most recent filings, including Form 10-KSB with the Securities and Exchange Commission.